CN104185284B - A kind of method that near space multi-user accesses channel on demand - Google Patents
A kind of method that near space multi-user accesses channel on demand Download PDFInfo
- Publication number
- CN104185284B CN104185284B CN201410460888.7A CN201410460888A CN104185284B CN 104185284 B CN104185284 B CN 104185284B CN 201410460888 A CN201410460888 A CN 201410460888A CN 104185284 B CN104185284 B CN 104185284B
- Authority
- CN
- China
- Prior art keywords
- user
- base station
- demand
- balloon base
- subregion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention proposes a kind of method that near space multi-user accesses channel on demand.Specially：(1) a kind of method that balloon base station carries out channel width dynamic allocation to the user in its area of coverage is devised；(2) frame structure of the space data link agreement based on Advanced Orbiting Systems has modified the leading head of virtual channel data unit first (Virtual Channel Data Unit, VCDU) and devises association request frame and associated response broadcast frame；VCDU dominates reserved bit of the modification mainly for signal domain of head, is added to frame type, time delay, shake and the flag informations such as real-time；The information such as user position, data volume size, delay requirement and shake required time are added in association request frame；The information such as the channel width, centre frequency and user access priority of all subregion are added in associated response broadcast frame；(3) it is based on above-mentioned basis, balloon base station provides a kind of method that mobile subscriber accesses channel on demand, the QoS requirement of user is made to be met as far as possible.
Description
Technical field
The present invention relates to the fields that near space multi-user accesses channel on demand, are primarily directed to wireless balloon base station
Multiple mobile subscribers provide channel access on demand under its sector coverage area.Balloon base station be intended to the data volume according to mobile subscriber,
Time delay and the service quality of shake (Quality of Service, QoS) demand provide a kind of mobile subscriber and access channel on demand
Method, so that user's QoS demand is met as far as possible.
Background technology
With the fast development of science and technology, " near space " (high-altitudes of 20-100 kms) this mankind past is less
The field set foot in, value are gradually widely paid close attention to.Currently, traditional cell mobile communication systems, cellular base station is by ground
Face is built or the interference of other objects, has the characteristics that delay is big, communication quality is impaired.Simultaneously as to be established on ground big
The ground base station of amount, thus build needed for network economic cost is higher, complexity is larger.Furthermore due to building ground base station
Determine suitable infield, therefore network deployment is relatively slow.However, based on wireless balloon base station is built under " near space "
Communication network is built, the problem of above-mentioned ground base station builds network can be efficiently solved.It is special that the present invention is based on this
Property, it is found from existing a large amount of domestic and foreign literature investigations, the text to the communications network system for being based on building under " near space "
It offers relatively fewer, it may be said that still at an early stage.In addition, open source literature a set of is related to building and user still without complete
The system of access communications, so work out multiple mobile subscribers can access channel communication on demand in the case where facing hollow panel balloon base station
Method is of great significance.
According to the fact set forth above, the present invention proposes the side that a kind of near space multi-user accesses channel on demand
Method makes user's QoS demand be met as far as possible.
Invention content
Goal of the invention：In order to solve to face under hollow panel balloon base station, the dynamic allocation and mobile subscriber QoS of channel width need
Ask the problem of being met as far as possible.
Technical scheme of the present invention：
System includes：Balloon (relaying) base station, ground base station, mobile subscriber.System architecture is as shown in Figure 1.Fig. 1 is shown
Based on the network architecture for facing wide-band mobile communication under hollow panel balloon base station.System is illustrated below：
(1) the skyborne working power in balloon base station is supplied by solar cell.
(2) balloon base station and the interconnection of ground base station full duplex, can be used optic communication or microwave communication, microwave communications link is adopted
With Advanced Orbiting Systems (Advanced Orbiting System, AOS) link, directional aerial intercommunication is used.Ground network connects
Entering can be by wired, wireless mode to ground base station, and wired that optical fiber and Ethernet may be used, wireless mode has WiFi to connect
Mouthful, WiFi interfaces can be interconnected with other terrestrial wireless Mesh interfaces.In addition ground base station also has AOS interfaces, provides use
It is wirelessly transferred in ground base station and balloon base station.
(3) when ground base station is out of order, balloon base station can select the ground base station using relaying or with nearby backing up
It is communicated.
(4) balloon base station carries out covering communication using fan antenna to subordinate's ground region.
Although the overlay area of balloon base station is limited, but region area is relatively wide, therefore will can be somebody's turn to do in advance
Area of coverage opsition dependent is divided into multiple subregion Si, pipe can be carried out to the mobile subscriber in region in order to balloon base station in this way
Reason, is shown in attached drawing 2.When mobile subscriber enters the overlay area for facing hollow panel balloon base station, if user has data needs and balloon
Base station is communicated, then channel width change and access can occur.User i sends to balloon base station and has changed pseudo channel at this time
Data cell (Virtual Channel Data Unit, VCDU) dominates the association request frame of head, is added in association request frame
The data volume size of spatial domain position, required transmission where user, shakes the information such as required time at the delay requirement time；Balloon
Base station receives and the user is divided into affiliated subregion S according to its location information after such association request frameiIn, it counts simultaneously
Calculate the ratio a that user's number in the subregion accounts for total number of users in balloon base station coverage areai, calculate in the subregion and need to pass
Defeated total data volume accounts for the ratio beta that all users in balloon base station coverage area need the total amount of data transmittedi, analyzing and associating
The VCDU of claim frame dominates head, and the number to calculate active user in the subregion accounts for all realities in balloon base station coverage area
When number of users ratio γi；In order to preferably provide the service quality of balloon base station, three proportionality coefficients 0.3 are designed hereby,
0.5,0.2, it is then proportionately distributed to the channel width of all subregion, the channel strip of the subregion distribution as where user i
Width is Bi=(0.3 αi+0.5βi+0.2γi) B, wherein B is the total bandwidth that balloon base station can be distributed.
Space data link agreement based on existing AOS, carried out VCDU dominate head modification and association request frame,
The design of associated response broadcast frame.Wherein, VCDU dominates the modification of head, sees shown in attached drawing 3.
The reserved bit of the signal domain of head is dominated in our modification mainly for VCDU.2 bits are used for distinguishing frame type, and 01
Association request frame is represented, 10 represent associated response broadcast frame, and disassociation frame is removed in 00 representative, and 11 retain；1 bit indicates whether there is number
The not communication data with balloon base station is represented according to demand, 0,1 represents the communication data having with balloon base station；1 bit is indicated
Whether there is delay requirement, 0 represents without delay requirement, and 1 representative has delay requirement；1 bit indicates whether there is shake
Demand, 0 represents without shake demand, and 1 representative has shake demand；1 bit indicates whether to represent non-reality for real time business, 0
When business, 1 represents real time business；2 bits retain.
Secondly, the association request frame changed VCDU and dominated head is sent to the balloon base station for facing hollow panel, specific association is asked
Frame format is sought, is seen shown in attached drawing 4, wherein：
9 byte representations of location information, (9 bits represent the integer part of longitude to 3 byte representation longitudes, and 4 bits are represented
Longitude divides position, 8 bits to represent the second position of longitude, remaining bits is reserved), (9 bits represent latitude to 3 byte representation latitudes
Integer part, 4 bits represent point position of latitude, and 8 bits represent the second position of latitude, remaining bits is reserved), last 3 table of bytes
Show that (17 bits represent the vertical range of user distance earth's surface to height of the user away from earth's surface, are accurate to m)；The delay requirement time is with 1
Byte representation；Shake 1 byte representation of required time；4 byte representations of data length, 232=4294967296 (KB), i.e., most
Height can indicate 4096 GB data volumes, this is enough for As-Is.
After balloon base station receives association request frame, analyzes its VCDU and dominate the flag bit that head carries, whether judge its user
With delay requirement and whether with shake demand.If balloon base station judges user i simultaneously, and there is delay requirement and shake to need
It asks, then calculates the Z for the user i for meeting this demandiSize, Zi=a (Bi+Di+Ji).Balloon base station judges that if user i has
Prolong demand without shake demand, then calculates the Z for the user i for meeting this demandiSize, Zi=b (Bi+Di).Sentence balloon base station
If disconnected user i has shake demand without delay requirement, the Z for the user i for meeting this demand is calculatediSize, Zi=c
(Bi+Ji).If balloon base station judges that user i does not have delay requirement and shake demand, the user for meeting this demand is calculated
The Z of iiSize, Zi=d × Bi。
Wherein：
ZiFor hypothesis judgement user gradation an integrated value, if ZiIt is bigger, then illustrating that the grade of the user i is got over
It is high；
BiFor the data volume sizes to be transmitted of user i, i.e. amount of bandwidth；
A, b, c, d represent the weight coefficient of distribution, a>b≥c>d.
Balloon base station integrates the Z of institute's calculated valuei, carry out the priority ranking of user i, ZiValue is bigger, and base station is by its user's
Priority setting is higher, and 0 is highest priority, and 1 secondly, successively backward.User after all subregion is lined up by balloon base station is excellent
First grade result utilizes associated response broadcast frame (note：Associated response broadcast frame be balloon base station by association response frame to broadcast
Form is sent) inform all subregion user.Specific associated response broadcasts frame format, sees shown in attached drawing 5, wherein：1 table of bytes
Show subarea number, the existing residing subregion of broadcasting user；1 byte representation channel width, the subregion institute residing for broadcasting user
The channel width being assigned to；The centre frequency of 2 byte representation channel widths；After 4 bits indicate that user sorts in the subregion
The priority size of acquisition；4 bits retain.
After the user of all subregion receives associated response broadcast frame, distributed by User Priority height to be lined up to use
Channel is communicated, and after high-priority users use, low priority user just can access channel and be communicated, same preferential
Grade user is communicated using Random Access access channel.
If have the area of coverage that user leaves balloon base station, user removes disassociation frame disassociation to balloon Base Transmitter.
In the case where facing hollow panel balloon base station user access on demand channel communication method detailed process it is as shown in Fig. 6.
Step 100：Start.
Step 110：User i, which enters, faces hollow panel balloon base station overlay area, and whether judgement user i will carry out with balloon base station
Communication, if desired then carries out step 120, otherwise jumps directly to terminate.
Step 120：Spatial domain position from user i to the balloon base station transmission carrying user for wishing to communicate, required transmission where
Data volume size, the delay requirement time, the shake information such as required time association request frame.
Step 130：Balloon base station receives the subregion S judged according to location information after association request frame where useri。
Step 140：Balloon base station calculates αi、βiAnd γiValue, while calculating the channel width for being assigned to the subregion
For Bi=(0.3 αi+0.5βi+0.2γi)B。
Step 150：Balloon base station judges whether user i has delay requirement, if so then execute step 160, conversely, redirecting
To step 190.
Step 160：Balloon base station judges whether user i has shake demand, if so then execute step 170, conversely, executing
Step 180.
Step 170：Balloon base station calculates the Z for the user i for meeting this demandiSize, Zi=a (Bi+Di+Ji)。
Step 180：Balloon base station calculates the Z for the user i for meeting this demandiSize, Zi=b (Bi+Di)。
Step 190：Balloon base station judges whether user i has shake demand, if so then execute step 200, conversely, executing
Step 210.
Step 200：Balloon base station calculates the Z for the user i for meeting this demandiSize, Zi=c (Bi+Ji)。
Step 210：Balloon base station calculates the Z for the user i for meeting this demandiSize, Zi=d × Bi。
Step 220：Comprehensive institute calculated value Zi, carry out the priority ranking of user i, ZiValue is bigger, and base station is by the excellent of its user
First grade setting is higher, and 0 is highest priority, and 1 secondly, successively backward.
Step 230：User Priority result after all subregion is lined up by balloon base station is accused using associated response broadcast frame
Know all subregion user.
Step 240：After the user of all subregion receives associated response broadcast frame, used by User Priority height to be lined up
The channel distributed is communicated, and after high-priority users use, low priority user just can access channel and be communicated,
Same priority user is communicated using Random Access access channel
Step 250：Terminate.
It is to face the method flow that multi-user under hollow panel balloon base station accesses channel on demand above, it can be ensured that channel resource
It is fully used, and ensures that the QoS demand of user is met as far as possible.
It illustrates：For convenience of description, what our aerial platforms were selected is balloon platform, this can be according in real base station
The combined factors such as rise, hovering time, recovery difficult consider other aircraft platforms, such as dirigible etc..
Description of the drawings
Fig. 1 is based on the network architecture for facing wide-band mobile communication under hollow panel balloon base station；
Mobile subscriber simulates coexistence scenario in Fig. 2 balloon base station sectors overlay area；
The modified VCDU of Fig. 3 dominate header structure；
Fig. 4 association request frame frame formats；
The associated response broadcast frame frame format of Fig. 5 subregions；
Fig. 6 faces the method flow diagram that multi-user under hollow panel balloon base station accesses channel on demand.
Specific implementation mode
2 the invention will be further described below in conjunction with the accompanying drawings.
Scene Simulation：Facing in hollow panel balloon base station overlay area, there are multiple mobile subscribers to want to communicate.It is false
If balloon base station operation, in L frequency ranges, centre frequency is 1.6 GHz, and balloon base station available bandwidth B is 320 MHz, with a byte
Channel width is divided, it is averagely divided into 28=256 parts, i.e. the minimum value of dynamic bandwidth allocation is 1.25 MHz.Assuming that
There are A (0x00000001), B (0x00000002), C (0x00000001), D in balloon base station overlay area at this time
(0x00000002)、E(0x00000001)、F(0x00000002)、G(0x00000001)、H(0x00000007)、I
Totally 10 users enter (note by (0x00000002), J (0x00000001), K (0x00000000)：A(e)：A indicates user's name,
E indicates that the user needs the length of transmitted data amount, is indicated using 16 systems), certain customers need to lead to balloon base station
Letter, and certain customers have no data transmission with balloon base station.Such as user K has no the communication data with balloon base station, therefore for
For user K, balloon base station does not take any action.And have and balloon base for user A, B, C, D, E, F, G, H, I, J
Channel width change and access can then occur for the communication data stood.
User A, B, C, D, E, F, G, H, I, J first send the association request frame changed VCDU and dominated head to balloon base station,
In the data volume size of position, required transmission where being added to it in association request frame, delay requirement time, shake demand
Between etc. information；Balloon base station receive after association request frame according to each user present position information by each user be divided into belonging to
Subregion SiIn, such as：A, B, C, D are divided into subregion S1, E, F, G are divided into subregion S2, H is divided into subregion
S3, I, J are divided into subregion S4。
In order to preferably provide the service quality of balloon base station, considers many-sided influence factor, give this three ratios
Distribution weight 0.3,0.5,0.2 respectively, are then divided in portion channel width, the letter of the subregion distribution as where user i
Road bandwidth is Bi=(0.3 αi+0.5βi+0.2γi) B, the subregion S for example, where user A, B, C, D1The channel width of distribution
For：
After balloon base station receives association request frame, the flag bit of its VCDU carrying is analyzed, judges whether its user has
Delay requirement and whether have shake demand.Assuming that A (1,1,0), B (1,0,0), C (1,0,1), D (1,0,0), E (1,1,1), F
(1,0,0), G (1,1,0), H (1,0,0), I (1,1,1), J (1,0,1)；It notes (x, y, z)：X, which is 1 representative, has communication data, is
0 represents no communication data；Y, which is 1 representative, has delay requirement, and no delay requirement is represented for 0；Z is 1 representative, and there is shake to need
It asks, being represented for 0 does not have shake demand.With S1For region, user A is with delay requirement also with shake demand, it is assumed that analysis
The delay requirement time that its association request frame carries is 1ms, shake required time is 0.1ms.User B, which had not both had time delay, to be needed
It asks, also without shake demand.User C does not have delay requirement, and has shake demand, analyzes trembling for its association request frame carrying
Dynamic required time is assumed to be 0.1ms.User D has delay requirement, without shaking demand, analyzes the carrying of its association request frame
The delay requirement time is assumed to be 1.5ms.
From hypothesis before：S1In region, the data volume that user A is carried is 0x0000001=(1)10,
The data volume that user B is carried is 0x0000002=(2)10, the data volume that user C is carried is 0x0000001=
(1)10, the data volume that user D is carried is 0x0000002=(2)10.In addition, a=4 is taken, b=3, c=2, d=1.It calculates separately
A, the Z of B, C, DiIt is worth size：
ZB=d × BB=1 × 2=2；
Balloon base station integrates the Z of institute's calculated valuei, carry out the priority ranking of user i, ZiValue is bigger, and base station is by its user's
Priority setting is higher, and 0 is highest priority, and 1 secondly, successively backward.It can obtain S1Under region, priority ranking is (by height
To low) result is A (0), D (1), C (2), B (3), wherein () inner number be the priority number of imparting.
Balloon base station is by S1User Priority result after region is lined up informs S using associated response broadcast frame1Region it is each
User.S1After the user in region receives associated response broadcast frame, come by User Priority height (A (0), D (1), C (2), B (3))
Queuing uses distributed channel to be communicated, and after high-priority users use, low priority user just can access channel
It is communicated, same priority user is communicated using Random Access access channel.
It is to face the method flow that multi-user under hollow panel balloon base station accesses channel on demand above, it can be ensured that channel resource
It is fully used, and ensures that the QoS demand of user is met as far as possible.
In this description, the present invention is described with reference to specific embodiment.But it is clear that can still make
Various modifications and alterations are without departing from the spirit and scope of the invention.Therefore, the description and the appended drawings should be considered as illustrative
And not restrictive.
Claims (1)
1. a kind of method that near space multi-user accesses channel on demand, which is characterized in that including：Based on Advanced Orbiting Systems
The frame structure of the space data link agreement of (Advanced Orbiting System, AOS), has modified virtual channel data unit
The leading head of first (Virtual Channel Data Unit, VCDU) simultaneously devises association request frame and associated response broadcast frame；
VCDU dominates reserved bit of the modification mainly for signal domain of head, is added to frame type, data, time delay, shake and the marks such as real-time
Will information；When being added to spatial domain position where user, the data volume size of required transmission, delay requirement in association request frame
Between, the shake information such as required time；Be added in associated response broadcast frame the channel width of each sub-regions under current state,
The information such as centre frequency and user access priority；Balloon base station is according to the data volume of mobile subscriber, time delay and the clothes of shake
Quality (Quality of Service, the QoS) demand of business, provides a kind of method that mobile subscriber accesses channel on demand, uses
Family QoS demand is met；
The user of number i sends to balloon base station into facing in hollow panel balloon base station overlay area and has changed the leading heads of VCDU
Association request frame is added to spatial domain position where user, the data volume size of required transmission, delay requirement in association request frame
The information such as time, shake required time；After balloon base station receives association request frame, the user is divided into according to its location information
Affiliated subregion SiIn, while calculating user's number in the subregion and accounting for total number of users in balloon base station sector overlay area
Ratio ai, calculate the total amount of data transmitted needed to account for what all users in balloon base station coverage area needed to transmit in the subregion
The ratio beta of total amount of datai, analyzing and associating claim frame VCDU leading head, the number for calculating active user in the subregion accounts for
The ratio γ of all active user numbers in balloon base station coverage areai；In order to preferably provide the service quality of balloon base station,
Three proportionality coefficients 0.3 of design, 0.5,0.2 hereby, are then proportionately distributed to the channel width of all subregion, as user i
The channel width of the subregion distribution at place is Bi=(0.3 αi+0.5βi+0.2γi) B, wherein B, which is balloon base station, to be distributed
Total bandwidth；
Space data link agreement based on existing AOS has carried out modification and association request frame, association that VCDU dominates head
Respond the design of broadcast frame；Wherein, the reserved bit of the signal domain of head is dominated in the modification of the leading heads of VCDU mainly for VCDU：
2bits represents association request frame to distinguish frame type, 01, and 10 represent associated response broadcast frame, and disassociation frame is removed in 00 representative,
11 retain；1bit indicates whether that with business demand, 0 represents the not communication data with balloon base station, and 1 representative has and balloon
The communication data of base station；1bit indicates whether that with delay requirement, 0 represents without delay requirement, and there is time delay to need for 1 representative
It asks；1bit indicates whether to represent without shake demand with shake demand, 0, and 1 representative has shake demand；1bit is indicated
No is real time business, and 0 represents non-real-time service, and 1 represents real time business；2bits retains；
The frame entity of association request frame：
9 byte representations of location information, 3 byte representation longitudes, wherein 9bits represent the integer part of longitude, and 4bits represents warp
Degree divides position, 8bits to represent the second position of longitude, remaining bits is reserved, and 3 byte representation latitudes, wherein 9bits represents the whole of latitude
Number part, 4bits represent point position of latitude, and 8bits represents the second position of latitude, remaining bits is reserved, last 3 byte representation user
Height away from earth's surface, wherein 17bits represent the vertical range of user distance earth's surface, are accurate to m；1 byte of delay requirement time
It indicates；Shake 1 byte representation of required time；4 byte representations of data length, are expressed as longest 232=4294967296
(KB), highest is expressed as 4096GB data volumes；
After balloon base station receives association request frame, the flag bit of its VCDU carrying is analyzed, judges whether its user has time delay
Demand and whether have shake demand；If balloon base station, which judges user i simultaneously, has delay requirement and shake demand, calculate
Meet the Z of the user i of this demandiSize, Zi=a (Bi+Di+Ji)；If balloon base station judge user i have delay requirement without
With shake demand, then the Z for the user i for meeting this demand is calculatediSize, Zi=b (Bi+Di)；Balloon base station judges user i such as
Fruit has shake demand without delay requirement, then calculates the Z for the user i for meeting this demandiSize, Zi=c (Bi+Ji)；Gas
If ball base station judges that user i does not have delay requirement and shake demand, the Z for the user i for meeting this demand is calculatediGreatly
It is small, Zi=d × Bi；
Wherein：
ZiFor hypothesis judgement user gradation an integrated value, if ZiIt is bigger, then illustrating that the higher grade of the user i；
BiFor the data volume sizes to be transmitted of user i, i.e. amount of bandwidth；
A, b, c, d represent the weight coefficient of distribution, a>b≥c>d；
Balloon base station integrates the Z of institute's calculated valuei, carry out the priority ranking of user i, ZiValue is bigger, and base station is by the preferential of its user
Grade setting is higher, and 0 is highest priority, and 1 secondly, successively backward；Balloon base station all subregion is lined up after User Priority
As a result all subregion user is informed using associated response broadcast frame；
Associated response broadcast frame entity：
1 byte representation subarea number, the existing residing subregion of broadcasting user；1 byte representation channel width, residing for broadcasting user
Subregion assigned by channel width；The centre frequency of 2 byte representation channel widths；4bits indicates user in the sub-district
The priority size obtained after sorting in domain；4bits is reserved；
After the user of all subregion receives associated response broadcast frame, distributed channel is used to be lined up by User Priority height
It is communicated, after high-priority users use, low priority user just can access channel and be communicated, and same priority is used
Family is communicated using Random Access access channel；
If have the area of coverage that user leaves balloon base station, user removes disassociation frame disassociation to balloon Base Transmitter；
(1) user i, which enters, faces hollow panel balloon base station overlay area, and whether judgement user i needs to communicate with balloon base station, if
It needs, carries out next step operation, otherwise do not operate, terminate；
(2) the spatial domain position, the data volume of required transmission where user i sends carrying user to the balloon base station for wishing to communicate are big
Small, delay requirement time, the association request frame for shaking required time information；
(3) balloon base station receives the subregion S judged according to location information after association request frame where useri, and calculate αi、βi
And γiValue, calculated according to the result of calculating and be assigned to the channel width B of the subregioni=(0.3 αi+0.5βi+0.2γi) B,
Wherein αiThe data volume reported by each user calculates user's number in the subregion and accounts for user in balloon base station coverage area
The ratio of sum, βiAll users in balloon base station coverage area are accounted for calculate the total data volume for needing to transmit in the subregion
Need the ratio of total amount of data transmitted, γiBalloon base station is accounted for for real time business number in each sub-regions of balloon base station calculating to cover
So the ratio of real time business number in cover area；
(4) balloon base station judges whether user i has delay requirement, if so then execute step (5), otherwise jumps to step (8)；
(5) balloon base station judges whether user i has shake demand, if so then execute step (6), otherwise jumps to step (7)；
(6) balloon base station calculates the Z for the user i for meeting this demandiSize, Zi=a (Bi+Di+Ji)；
(7) balloon base station calculates the Z for the user i for meeting this demandiSize, Zi=b (Bi+Di)；
(8) balloon base station judges whether user i has shake demand, if so then execute step (9), otherwise jumps to step
(10)；
(9) balloon base station calculates the Z for the user i for meeting this demandiSize, Zi=c (Bi+Ji)；
(10) balloon base station calculates the Z for the user i for meeting this demandiSize, Zi=d × Bi；
(11) comprehensive institute calculated value Zi, carry out the priority ranking of user i, ZiValue is bigger, the priority of its user is arranged for base station
Higher, 0 is highest priority, and 1 secondly, successively backward；
(12) the User Priority result after all subregion is lined up by balloon base station informs each sub-district using associated response broadcast frame
Domain user；
(13) it after the user of all subregion receives associated response broadcast frame, is distributed by User Priority height to be lined up to use
Channel is communicated, and after high-priority users use, low priority user just can access channel and be communicated, same preferential
Grade user is communicated using Random Access access channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410460888.7A CN104185284B (en) | 2014-09-11 | 2014-09-11 | A kind of method that near space multi-user accesses channel on demand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410460888.7A CN104185284B (en) | 2014-09-11 | 2014-09-11 | A kind of method that near space multi-user accesses channel on demand |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104185284A CN104185284A (en) | 2014-12-03 |
| CN104185284B true CN104185284B (en) | 2018-07-31 |
Family
ID=51965935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410460888.7A Active CN104185284B (en) | 2014-09-11 | 2014-09-11 | A kind of method that near space multi-user accesses channel on demand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104185284B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106572502B (en) * | 2016-11-04 | 2019-08-27 | 成都希盟泰克科技发展有限公司 | A kind of on-demand dynamics of channels bandwidth allocation methods of cordless communication network |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103874214A (en) * | 2014-04-10 | 2014-06-18 | 重庆大学 | Near space self-adaptive dynamic bandwidth allocation method |
| CN103944630A (en) * | 2014-05-06 | 2014-07-23 | 重庆大学 | Channel dynamic bandwidth allocation and access method for space information network |
-
2014
- 2014-09-11 CN CN201410460888.7A patent/CN104185284B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103874214A (en) * | 2014-04-10 | 2014-06-18 | 重庆大学 | Near space self-adaptive dynamic bandwidth allocation method |
| CN103944630A (en) * | 2014-05-06 | 2014-07-23 | 重庆大学 | Channel dynamic bandwidth allocation and access method for space information network |
Non-Patent Citations (2)
| Title |
|---|
| A New Channel Assignment Strategy for Low Earth Orbit Mobile Satellite Systems;Lei Zheng，et.al.;《2010 Second International Conference on Advances in Satellite and Space Communications》;20100619;第47-50页 * |
| DDBA:A Method of Dynamic Deprivable Bandwidth Allocation for Space Information Network;ChunQing Wu，et.al.;《2009 Fifth International Conference on Mobile Ad-hoc and Sensor Networks》;20091216;第371-375页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104185284A (en) | 2014-12-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105307216B (en) | A kind of wireless resource allocation methods based on LTE car networking | |
| Teekaraman et al. | Hybrid optimization algorithms for resource allocation in heterogeneous cognitive radio networks | |
| CN101064555B (en) | Frame structure, frame processing method and equipment and system for multi-hop access network | |
| Khan et al. | Performance evaluation of next-generation wireless (5G) UAV relay | |
| CN105027465B (en) | Method and apparatus in device-to-device communication for distributing equipment mark | |
| US20150304180A1 (en) | Radio access network geographic information system with multiple format | |
| CN102938670A (en) | Ground-air broadband wireless communication system and method for airplane | |
| Hadiwardoyo et al. | Experimental characterization of UAV-to-car communications | |
| CN103873146B (en) | Resource regulating method in indoor distributed visible light communication system | |
| CN105188149A (en) | Method for implementing aeronautical Ad hoc network STDMA (Self Organizing Time Division Multiple Access) protocol based on directional antenna | |
| HUP0001877A2 (en) | Method related to gprs (general packet radio service) system providing packet switched connections | |
| Takagi et al. | Spectrum requirement planning in wireless communications: Model and methodology for IMT-Advanced | |
| CN104244264B (en) | Device, method and user equipment in wireless communication system | |
| CN109960279B (en) | Heuristic algorithm-based unmanned aerial vehicle hovering radius optimization method | |
| CN106658502A (en) | Intelligent wireless local area reservation access method based on fingerprint authentication | |
| CN111835401B (en) | Method for joint optimization of wireless resources and paths in unmanned aerial vehicle communication network | |
| Khan et al. | Link‐level Performance Modelling for Next-Generation UAV Relay with Millimetre‐Wave Simultaneously in Access and Backhaul | |
| CN105813091B (en) | Information transceiving method and system, virtual macro base station control device, micro-base station | |
| CN104185284B (en) | A kind of method that near space multi-user accesses channel on demand | |
| CN104980941B (en) | A kind of AP setting methods for promoting unit space and concurrently accessing quantity | |
| CN104581744B (en) | A kind of method and device for realizing the network planning | |
| CN104509133B (en) | Device-to-device closes in service method, base station and the user equipment for transmitting signal | |
| CN105722201B (en) | A kind of winged cellular network interference alignment optimization method | |
| CN101977389B (en) | WIFI (Wireless Fidelity) network user model establishing method and network equipment | |
| Bhaumick et al. | Efficient multicast association to improve the throughput in IEEE 802.11 WLAN |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Sheying Inventor before: Liao Yong Inventor before: Zhou Cuan Inventor before: Li Yufeng Inventor before: Cao Jie |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171026 Address after: 100000 Beijing city Chaoyang District Beiyuan Road 19, building 3, 612 square of railway construction Applicant after: Zhang Sheying Address before: 400044, Shapingba District, Sha Sha Street, No. 174, Chongqing University Applicant before: Chongqing University |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |